{"id":299,"date":"2009-11-01T22:06:41","date_gmt":"2009-11-01T20:06:41","guid":{"rendered":"http:\/\/24.90"},"modified":"2009-11-01T22:06:41","modified_gmt":"2009-11-01T20:06:41","slug":"framling","status":"publish","type":"post","link":"http:\/\/blogg.vm.ntnu.no\/evolusjon\/2009\/11\/01\/framling\/","title":{"rendered":"Fr\u00e4mling"},"content":{"rendered":"<figure id=\"attachment_91\" aria-describedby=\"caption-attachment-91\" style=\"width: 151px\" class=\"wp-caption alignright\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-91  \" title=\"Hyacinthoides hispanicus\" src=\"http:\/\/blogg.vm.ntnu.no\/evolusjon\/files\/2009\/11\/450px-Hyacinthoides_hispanicus.jpg\" alt=\"Vad d\u00f6ljer du f\u00f6r mig, i dina m\u00f6rka \u00f6gon? (Foto: Wikipedia)\" width=\"151\" height=\"194\" \/><figcaption id=\"caption-attachment-91\" class=\"wp-caption-text\">Vad d\u00f6ljer du f\u00f6r mig, i dina m\u00f6rka \u00f6gon? (Foto: Wikipedia)<\/figcaption><\/figure>\n<p>\u201cA few years ago gardeners started planting imported Spanish bluebell bulbs, and now these Spanish flowers are taking over! The Spanish variety will grow almost anywhere, and many of them have got into the British countryside where they are breeding with our own native species and producing a hybrid.\u201d<\/p>\n<p>(<a href=\"http:\/\/www.uksafari.com\/bluebells2.htm\" target=\"_blank\">http:\/\/www.uksafari.com\/bluebells2.htm<\/a>)<!--more--><\/p>\n<p>\u00a0<\/p>\n<p>Debatt omkring invaderende arter kan av og til ha en ubehagelig undertone. Man kan f\u00e5 inntrykk av at noen har vikarierende motiver for \u00e5 engasjere seg i kampen mot s\u00e5kalte fremmede planter og dyr.<\/p>\n<p>I England er klokkebl\u00e5stjerner (bluebells) et av de mest brukte eksemplene p\u00e5 en art som st\u00e5r i fare for utryddelse mye p\u00e5 grunn av \u201dinvasjonen\u201d av spanske klokkebl\u00e5stjerner (spanish bluebells). Dette er problematisk i den forstand at hybridisering mellom de to plantene medf\u00f8rer at den genetiske sammensetningen endres i den lokale typen. Disse plantene har imidlertid krysset seg med hverandre i mange millioner \u00e5r. Vi har et samarbeidsprosjekt med Natural History Museum i London som nettopp g\u00e5r p\u00e5 \u00e5 avdekke historien til klokkebl\u00e5stjerner, og det er klart at disse to kan med fordel anses som ulike former av samme art. Det finnes antagelig \u00f8konomiske og helt sikkert kulturelle grunner til \u00e5 betrakte dem som ulike arter, men ikke mange, om noen, biologiske.<\/p>\n<p>Invaderende arter kan skape problemer, men man skal v\u00e6re forsiktig med \u00e5 trekke kategoriske skiller mellom \u201dv\u00e5r\u201d og \u201dde andres\u201d natur. Ofte er et slikt skille ubegrunnet, og i mange tilfeller historiel\u00f8st. Man m\u00e5 v\u00e6re p\u00e5 vakt for \u00e5 hindre at flere arenaer \u00e5pnes for de blant oss som anser alt utenfor ens egen hage som fremmed og derfor fiendtlig.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u201cA few years ago gardeners started planting imported Spanish bluebell bulbs, and now these Spanish flowers are taking over! The Spanish variety will grow almost anywhere, and many of them have got into the British countryside where they are breeding with our own native species and producing a hybrid.\u201d (http:\/\/www.uksafari.com\/bluebells2.htm)<\/p>\n","protected":false},"author":46,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[231],"tags":[232,241,233,250,251,252,159],"class_list":["post-299","post","type-post","status-publish","format-standard","hentry","category-biosystematikk","tag-artsdannelse","tag-fylogenetisk-biologi","tag-fylogeografi","tag-hyacinthoides","tag-hybrid","tag-svartelistede-arter","tag-taksonomi"],"_links":{"self":[{"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=\/wp\/v2\/posts\/299","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=\/wp\/v2\/users\/46"}],"replies":[{"embeddable":true,"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=299"}],"version-history":[{"count":0,"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=\/wp\/v2\/posts\/299\/revisions"}],"wp:attachment":[{"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=299"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=299"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogg.vm.ntnu.no\/hovedside\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=299"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}